Front Immunol. 2023 Jun 21;14:1157265. doi: 10.3389/fimmu.2023.1157265. eCollection 2023. ABSTRACT IL-21 is a multifunctional cytokine linked with the pathophysiology of several autoimmune diseases, including type 1 diabetes. In this study, our aim was to examine plasma IL-21 levels in individuals at different stages of type 1 diabetes progression. We measured…

